This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A081925 #13 Jan 21 2020 13:55:52 %S A081925 8,12,16,20,20,24,28,28,32,36,36,40,44,44,48,48,52,52,56,60,60,60,64, %T A081925 68,68,72,76,76,80,84,84,84,88,88,92,92,96,96,100,100,104,104,108,108, %U A081925 112,116,116,120,120,120,124,124,128,132,132,132,136,136,140,140,140,144 %N A081925 Ordered even short legs of primitive Pythagorean triangles. %H A081925 Ray Chandler, <a href="/A081925/b081925.txt">Table of n, a(n) for n = 1..10000</a> %Y A081925 Cf. A020884. %K A081925 nonn %O A081925 1,1 %A A081925 _Lekraj Beedassy_, Apr 23 2003 %E A081925 Corrected and extended by _Ray Chandler_, Oct 29 2003 %E A081925 Offset corrected by _Michel Marcus_, Nov 12 2019